1990888020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 432

約数和(自身を含む): 7424464320

約数和(自身を除く): 5433576300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 19, 20, 22, 30, 33, 34, 36, 38, 44, 45, 51, 55, 57, 60, 66, 68, 76, 85, 90, 95, 99, 102, 110, 114, 121, 132, 153, 165, 170, 171, 180, 187, 190, 198, 204, 209, 220, 228, 242, 255, 283, 285, 306, 323, 330, 340, 342, 363, 374, 380, 396, 418, 484, 495, 510, 561, 566, 570, 605, 612, 627, 646, 660, 684, 726, 748, 765, 836, 849, 855, 935, 969, 990, 1020, 1045, 1089, 1122, 1132, 1140, 1210, 1254, 1292, 1415, 1452, 1530, 1615, 1683, 1698, 1710, 1815, 1870, 1881, 1938, 1980, 2057, 2090, 2178, 2244, 2299, 2420, 2508, 2547, 2805, 2830, 2907, 3060, 3113, 3135, 3230, 3366, 3396, 3420, 3553, 3630, 3740, 3762, 3876, 4114, 4180, 4245, 4356, 4598, 4811, 4845, 5094, 5377, 5445, 5610, 5660, 5814, 6171, 6226, 6270, 6460, 6732, 6897, 7106, 7260, 7524, 8228, 8415, 8490, 9196, 9339, 9405, 9622, 9690, 10188, 10285, 10659, 10754, 10890, 11220, 11495, 11628, 12342, 12452, 12540, 12735, 13794, 14212, 14433, 14535, 15565, 16131, 16830, 16980, 17765, 18513, 18678, 18810, 19244, 19380, 20570, 20691, 21318, 21508, 21780, 22990, 24055, 24684, 25470, 26885, 27588, 28017, 28866, 29070, 30855, 31130, 31977, 32262, 33660, 34243, 34485, 35530, 37026, 37356, 37620, 39083, 41140, 41382, 42636, 43299, 45980, 46695, 48110, 48393, 50940, 52921, 53295, 53770, 56034, 57732, 58140, 59147, 61710, 62260, 63954, 64524, 68486, 68970, 71060, 72165, 74052, 78166, 80655, 82764, 86598, 91409, 92565, 93390, 96220, 96786, 102729, 103455, 105842, 106590, 107540, 112068, 117249, 118294, 123420, 127908, 136972, 137940, 140085, 144330, 156332, 158763, 159885, 161310, 171215, 173196, 177441, 182818, 185130, 186780, 193572, 195415, 205458, 206910, 211684, 213180, 216495, 234498, 236588, 241965, 264605, 274227, 280170, 288660, 295735, 308187, 317526, 319770, 322620, 342430, 351747, 354882, 365636, 370260, 390830, 410916, 413820, 432990, 457045, 468996, 476289, 483930, 513645, 529210, 532323, 548454, 560340, 582131, 586245, 591470, 616374, 635052, 639540, 650617, 684860, 703494, 709764, 781660, 793815, 822681, 865980, 887205, 914090, 952578, 967860, 1005499, 1027290, 1058420, 1064646, 1096908, 1164262, 1172490, 1182940, 1232748, 1301234, 1371135, 1406988, 1540935, 1587630, 1645362, 1746393, 1758735, 1774410, 1828180, 1905156, 1951851, 2010998, 2054580, 2129292, 2328524, 2344980, 2381445, 2602468, 2661615, 2742270, 2910655, 3016497, 3081870, 3175260, 3253085, 3290724, 3492786, 3517470, 3548820, 3903702, 4021996, 4113405, 4762890, 5027495, 5239179, 5323230, 5484540, 5821310, 5855553, 6032994, 6163740, 6506170, 6985572, 7034940, 7807404, 8226810, 8731965, 9049491, 9525780, 9759255, 10054990, 10478358, 10646460, 11060489, 11642620, 11711106, 12065988, 13012340, 15082485, 16453620, 17463930, 18098982, 19518510, 20109980, 20956716, 22120978, 23422212, 26195895, 29277765, 30164970, 33181467, 34927860, 36197964, 39037020, 44241956, 45247455, 52391790, 55302445, 58555530, 60329940, 66362934, 90494910, 99544401, 104783580, 110604890, 117111060, 132725868, 165907335, 180989820, 199088802, 221209780, 331814670, 398177604, 497722005, 663629340, 995444010, 1990888020]

約数ペア:

[(1, 1990888020), (2, 995444010), (3, 663629340), (4, 497722005), (5, 398177604), (6, 331814670), (9, 221209780), (10, 199088802), (11, 180989820), (12, 165907335), (15, 132725868), (17, 117111060), (18, 110604890), (19, 104783580), (20, 99544401), (22, 90494910), (30, 66362934), (33, 60329940), (34, 58555530), (36, 55302445), (38, 52391790), (44, 45247455), (45, 44241956), (51, 39037020), (55, 36197964), (57, 34927860), (60, 33181467), (66, 30164970), (68, 29277765), (76, 26195895), (85, 23422212), (90, 22120978), (95, 20956716), (99, 20109980), (102, 19518510), (110, 18098982), (114, 17463930), (121, 16453620), (132, 15082485), (153, 13012340), (165, 12065988), (170, 11711106), (171, 11642620), (180, 11060489), (187, 10646460), (190, 10478358), (198, 10054990), (204, 9759255), (209, 9525780), (220, 9049491), (228, 8731965), (242, 8226810), (255, 7807404), (283, 7034940), (285, 6985572), (306, 6506170), (323, 6163740), (330, 6032994), (340, 5855553), (342, 5821310), (363, 5484540), (374, 5323230), (380, 5239179), (396, 5027495), (418, 4762890), (484, 4113405), (495, 4021996), (510, 3903702), (561, 3548820), (566, 3517470), (570, 3492786), (605, 3290724), (612, 3253085), (627, 3175260), (646, 3081870), (660, 3016497), (684, 2910655), (726, 2742270), (748, 2661615), (765, 2602468), (836, 2381445), (849, 2344980), (855, 2328524), (935, 2129292), (969, 2054580), (990, 2010998), (1020, 1951851), (1045, 1905156), (1089, 1828180), (1122, 1774410), (1132, 1758735), (1140, 1746393), (1210, 1645362), (1254, 1587630), (1292, 1540935), (1415, 1406988), (1452, 1371135), (1530, 1301234), (1615, 1232748), (1683, 1182940), (1698, 1172490), (1710, 1164262), (1815, 1096908), (1870, 1064646), (1881, 1058420), (1938, 1027290), (1980, 1005499), (2057, 967860), (2090, 952578), (2178, 914090), (2244, 887205), (2299, 865980), (2420, 822681), (2508, 793815), (2547, 781660), (2805, 709764), (2830, 703494), (2907, 684860), (3060, 650617), (3113, 639540), (3135, 635052), (3230, 616374), (3366, 591470), (3396, 586245), (3420, 582131), (3553, 560340), (3630, 548454), (3740, 532323), (3762, 529210), (3876, 513645), (4114, 483930), (4180, 476289), (4245, 468996), (4356, 457045), (4598, 432990), (4811, 413820), (4845, 410916), (5094, 390830), (5377, 370260), (5445, 365636), (5610, 354882), (5660, 351747), (5814, 342430), (6171, 322620), (6226, 319770), (6270, 317526), (6460, 308187), (6732, 295735), (6897, 288660), (7106, 280170), (7260, 274227), (7524, 264605), (8228, 241965), (8415, 236588), (8490, 234498), (9196, 216495), (9339, 213180), (9405, 211684), (9622, 206910), (9690, 205458), (10188, 195415), (10285, 193572), (10659, 186780), (10754, 185130), (10890, 182818), (11220, 177441), (11495, 173196), (11628, 171215), (12342, 161310), (12452, 159885), (12540, 158763), (12735, 156332), (13794, 144330), (14212, 140085), (14433, 137940), (14535, 136972), (15565, 127908), (16131, 123420), (16830, 118294), (16980, 117249), (17765, 112068), (18513, 107540), (18678, 106590), (18810, 105842), (19244, 103455), (19380, 102729), (20570, 96786), (20691, 96220), (21318, 93390), (21508, 92565), (21780, 91409), (22990, 86598), (24055, 82764), (24684, 80655), (25470, 78166), (26885, 74052), (27588, 72165), (28017, 71060), (28866, 68970), (29070, 68486), (30855, 64524), (31130, 63954), (31977, 62260), (32262, 61710), (33660, 59147), (34243, 58140), (34485, 57732), (35530, 56034), (37026, 53770), (37356, 53295), (37620, 52921), (39083, 50940), (41140, 48393), (41382, 48110), (42636, 46695), (43299, 45980)]